| （単位：百万円） | 2011/12 | 2012/12 | 2013/12 | 2014/12 | 2015/12 | 2016/12 | 2017/12 | 2018/12 | 2019/12 | 2020/12 | 2021/12 | 2022/12 | 2023/12 | 2024/12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 売上高 | 20,059 | 20,784 | 20,524 | 18,603 | 18,562 | 19,706 | 19,790 | 20,086 | 19,318 | 17,441 | 19,388 | 22,038 | 24,761 | 30,688 |
| 売上原価 | - | - | - | 8,390 | 9,442 | 10,069 | 9,941 | 10,192 | 9,299 | 8,095 | 8,440 | 10,683 | 12,383 | 15,575 |
| 売上総利益 | - | - | - | 10,213 | 9,119 | 9,637 | 9,849 | 9,894 | 10,019 | 9,346 | 10,947 | 11,356 | 12,378 | 15,113 |
| 売上総利益率（％） | - | - | - | |||||||||||
| 営業費用 | - | - | - | 9,592 | 9,145 | 9,151 | 9,322 | 9,448 | 9,503 | 8,746 | 9,763 | 9,647 | 10,549 | 12,749 |
| 営業利益 | - | - | - | 621 | -26 | 486 | 526 | 446 | 515 | 599 | 1,184 | 1,709 | 1,828 | 2,364 |
| 経常（税引前）利益 | 2,980 | 2,867 | 2,052 | 606 | 3 | 557 | 588 | 602 | 777 | 768 | 1,353 | 1,691 | 1,860 | 2,388 |
| 法人税等合計 | - | - | - | 286 | 175 | 244 | 258 | 275 | 308 | 269 | 429 | 431 | 637 | 751 |
| 純利益 | 1,533 | 1,578 | 1,129 | 281 | -127 | 175 | 264 | 282 | 439 | 442 | 778 | 1,232 | 1,201 | 1,543 |
| 一株あたり利益 | 159.09 | 163.81 | 117.22 | 29.25 | -13.09 | 18.2 | 27.48 | 29.3 | 45.59 | 45.92 | 80.83 | 127.95 | 124.72 | 160.2 |
| 一株あたり配当金 | 80 | 90 | 80 | 80 | 60 | 40 | 40 | 30 | 30 | 30 | 30 | 30 | 40 | 50 |